Cost-First or Sample-First: A Debate Over How Agent SQL Loops Handle Unknown Table Sizes
This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.
A drafting agent returns a query that reads fine: three joins, a GROUP BY , a date filter, an ORDER BY on the aggregate. Nothing in the SQL signals danger. The plan underneath it opens with a sequential scan over a table whose row count nobody on the call can state out loud, and the aggregate spill…
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- 2026-11-05 15:30 · DEV Community — AI
Cost-First or Sample-First: A Debate Over How Agent SQL Loops Handle Unknown Table Sizes